On August 24, 2019 11:25:42 PM PDT, jim bell <jdb10987@yahoo.com> wrote:
https://www.newsbreakapp.com/n/0MbloCip?s=a3&pd=02h1yVjC
Hackers can tell what people are typing just by listening through a smartphone's microphone
Daily Mail

Hackers could be able to tell what you are typing on your computer just by listening to your keystrokes through your smartphone's microphone, a new study warns.
Shared from News Break
Jim Bell's comment:Peter Wright's 1970's book, Spycatcher, described an early, primitive version of this technology.
By audio waveform signatures. I always assumed this was a 'thing'. But if the audio is ever 'detached' from the source person's ID it becomes sort of useless. -- Sent from my Android device with K-9 Mail. Please excuse my brevity.